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6 papers · 1 filter
Discovery of a Transient X-Ray Pulsar, AX J1841.0-0536, in the Scutum Arm Region with ASCA
Aya Bamba, Jun Yokogawa, Masaru Ueno +2
We report on the discovery of a transient X-ray pulsar, AX J1841.0-0536, serendipitously found in the Scutum arm region with the ASCA in two separate observations. The X-ray flux i…
Origin of the Hard X-ray Emission from the Galactic Plane
Ken Ebisawa, Yoshitomo Maeda, Hidehiro Kaneda +1
The Galactic plane is a strong hard x-ray emitter and the emission forms a narrow continuous ridge. The currently known hard x-ray sources are far too few to explain the ridge x-ra…
ASCA X-ray source catalogue in the Galactic Center region
Masaaki Sakano, Katsuji Koyama, Hiroshi Murakami +2
The ASCA satellite made 107 pointing observations on a 5 x 5 deg^2 region around the center of our Milky Way Galaxy (the Galactic Center) from 1993 to 1999. In the X-ray images of…
A Diffuse X-Ray Source, AX J1843.8-0352: Association with the Radio Complex G28.6-0.1 and Identification of a New Supernova Remnant
Aya Bamba, Masaru Ueno, Katsuji Koyama +1
ASCA discovered an extended source in the Scutum constellation. The X-ray morphology is an elliptical shape elongated from north to south with a mean diameter of about 10'. The ima…
Stiffness of the Heisenberg Spin-Glass Model at Zero- and Finite-Temperatures in Three Dimensions
S. Endoh, F. Matsubara, T. Shirakura
We examine the stiffness of the Heisenberg spin-glass (SG) model at both zero temperature (T=0) and finite temperatures () in three dimensions. We calculate the excess ene…
Faint X-ray sources resolved in the ASCA Galactic plane survey and their contribution to the Galactic ridge X-ray emission
M. Sugizaki, K. Mitsuda, H. Kaneda +3
The X-ray emission from the central region of the Galactic plane, |l|<45 deg and |b|<0.4 deg, was studied in the 0.7-10 keV energy band with a spatial resolution of ~3' with the AS…